Sharp RTRNPA022DRE0 LOW VOLTAGE TRANSFORMER LOW VOLTAGE TRANSFORMER ON CONTROL PRINTED CIRCUIT BOARD Works with the following models: Sharp R1420, Sharp R1420B, Sharp R1421, Sharp R7A82, Sharp R7A82B Sharp R7A92, Sharp R7H80, Sharp R8285, Sharp R8290, Sharp R8290A, Sharp R8A71, Sharp R930AK